One of the most ambitious of Kalevi Aho's composition projects has been to write a concerto for each of the main instruments in the Romantic symphony orchestra. In 2011, with the Horn Concerto (the eighteenth in the series) this project was approaching its conclusion. In the Horn Concerto the soloist does not stand in front next to the conductor but moves around several times during the course of the work. The horn's first entries are heard from backstage. After that the soloist becomes visible and plays from behind the orchestra, moving gradually from left to right while playing. In the end, the hornist leaves the stage again. This gives the work a ritualistic character - as if the solo horn brings something from afar to the audience and orchestra and, when all is said and done, disappears from view.

The concerto contains a number of sections of varying character, slower and faster. The fast sections are rather virtuosic for the orchestra as well. For the tarantella-like passage in the second half of the work, the soloist has moved to a position behind the winds of the orchestra, where an exchange commences with the orchestra's hornist. After that, the soloist moves to the rearmost part of the stage and, by the time of the final notes, is already offstage.

The concerto for horn and chamber orchestra can be performed by a group with around twenty performers (1(+picc).1.1(+cl.b).1-1000-01-str(44331)). The duration is c. 27 minutes.
Solo part available for sale (ISMN 9790550117396). Orchestral material available for hire from the publisher.

Recording: BIS-2036 SACD / Annu Salminen (horn), Lapland Chamber Orchestra & John Storgårds